Use `Taylor` to compute the following Taylor polynomials. Use `
TayPlot` to help you visualize your results.

- ,
**a=0**, order 1, order 2, order 3. - ,
**a=0**, , order 4, order 5, order 6. - ,
**a=0**, order 8, order 13, order 21.

Tue Feb 6 14:48:55 EST 1996